JP2006266179A - 排気ガス処理装置及び排気ガス処理方法 - Google Patents
排気ガス処理装置及び排気ガス処理方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/41—Ionising-electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/12—Plant or installations having external electricity supply dry type characterised by separation of ionising and collecting stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/36—Controlling flow of gases or vapour
- B03C3/368—Controlling flow of gases or vapour by other than static mechanical means, e.g. internal ventilator or recycler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/027—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating means
- F01N3/0275—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating means using electric discharge means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/031—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters having means for by-passing filters, e.g. when clogged or during cold engine start
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/30—Details of magnetic or electrostatic separation for use in or with vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Electrostatic Separation (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
【解決手段】 内燃機関の排気ガス中の捕集対象成分をコロナ放電により帯電させて凝集する帯電凝集部10と、該凝集させた成分を捕集するフィルタ部20と、該フィルタ部20をバイパスするバイパス通路40と、排気ガスの少なくとも大部分の流れを前記フィルタ部20と前記バイパス通路40とに切り換える流路切換手段41を有し、内燃機関の回転数が所定の回転数以下でかつ負荷が所定の負荷以下の場合、排気ガスの少なくとも大部分の流れを前記バイパス通路40に切り換える。
【選択図】 図1
Description
10 帯電凝集部
20 フィルタ部
30 酸化触媒
40 バイパス通路
41 切換弁
50 制御装置
Claims (8)
- 内燃機関の排気ガス中の捕集対象成分をコロナ放電により帯電させて凝集する帯電凝集部と、該凝集させた成分を捕集するフィルタ部と、該フィルタ部をバイパスするバイパス通路と、排気ガスの少なくとも大部分の流れを前記フィルタ部と前記バイパス通路とに切り換える流路切換手段を有し、
内燃機関の回転数が所定の回転数以下でかつ負荷が所定の負荷以下の場合に、排気ガスの少なくとも大部分の流れを前記バイパス通路に切り換えることを特徴とする排気ガス処理装置。 - 前記フィルタ部を再生するための再生手段を有すると共に、排気ガスの少なくとも大部分の流れを前記バイパス通路に切り換えている時に、前記帯電凝集部でコロナ放電を行いながら、前記再生手段により前記フィルタ部の再生処理をすることを特徴とする請求項1記載の排気ガス処理装置。
- 前記フィルタ部を連続再生式のフィルタで形成すると共に、
排気ガスの温度が前記フィルタ部の再生が可能な所定の温度よりも高い時には、排気ガスの少なくとも大部分の流れを前記バイパス通路に切り換えず、
排気ガスの温度が前記フィルタ部の再生が可能な所定の温度よりも低く、かつ、内燃機関の負荷が所定の負荷以下である時には、排気ガスの少なくとも大部分の流れを前記バイパス通路に切り換えることを特徴とする請求項1又は2記載の排気ガス処理装置。 - 前記フィルタ部を連続再生式のフィルタ以外のフィルタで形成すると共に、
排気ガスの温度が前記フィルタ部に捕集された捕集対象成分の自己着火可能な温度よりも高い時には、排気ガスの少なくとも大部分の流れを前記バイパス通路に切り換えず、
排気ガスの温度が前記自己着火可能な温度よりも低く、かつ、内燃機関の負荷が所定の負荷以下である時には、排気ガスの少なくとも大部分の流れを前記バイパス通路に切り換えることを特徴とする請求項1又は2記載の排気ガス処理装置。 - 前記フィルタ部を連続再生式のフィルタ以外のフィルタで形成すると共に、
前記排気ガスの少なくとも大部分の流れを前記バイパス通路に切り換えている時に、前記再生のための再生手段により、前記フィルタ部を再生処理することを特徴とする請求項4記載の排気ガス処理装置。 - 前記フィルタ部の下流側の流路と前記バイパス通路とが合流する合流部分より下流側に酸化触媒を設けたことを特徴とする請求項1〜5のいずれか1項に記載の排気ガス処理装置。
- 前記帯電凝集部で排気ガスを冷却するように構成したことを特徴とする請求項1〜6のいずれか1項に記載の排気ガス処理装置。
- 内燃機関の排気ガス中の捕集対象成分をコロナ放電により帯電させて凝集する帯電凝集部と、該凝集させた成分を捕集するフィルタ部と、該フィルタ部をバイパスするバイパス通路と、排気ガスの少なくとも大部分の流れを前記フィルタ部と前記バイパス通路とに切り換える流路切換手段を有する排気ガス処理装置において、
内燃機関の回転数が所定の回転数以上又は負荷が所定の負荷以上の場合に、排気ガスの少なくとも大部分の流れを前記フィルタ部に切り換えて、前記フィルタ部で粒子状の捕集対象成分を蓄積し、
内燃機関の回転数が前記所定の回転数以下でかつ負荷が前記所定の負荷以下の場合に、排気ガスの少なくとも大部分の流れを前記バイパス通路に切り換えて、排気ガスの主流から前記フィルタ部を切り離し、前記フィルタ部の再生処理を行うことを特徴とする排気ガス処理方法。
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JP2005086503A JP3894938B2 (ja) | 2005-03-24 | 2005-03-24 | 排気ガス処理装置及び排気ガス処理方法 |
PCT/JP2006/305525 WO2006101070A1 (ja) | 2005-03-24 | 2006-03-20 | 排気ガス処理装置及び排気ガス処理方法 |
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JP2005086503A JP3894938B2 (ja) | 2005-03-24 | 2005-03-24 | 排気ガス処理装置及び排気ガス処理方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013187989A (ja) * | 2012-03-07 | 2013-09-19 | Denso Corp | Ehd流体輸送装置 |
WO2019065069A1 (ja) * | 2017-09-27 | 2019-04-04 | 京セラ株式会社 | 測定装置用部品 |
EP3757362A1 (en) * | 2019-06-25 | 2020-12-30 | Toyota Jidosha Kabushiki Kaisha | Control device of a particle filter in the exhaust gas of an internal combustion engine |
KR102563143B1 (ko) * | 2022-07-15 | 2023-08-03 | 한국환경기기시험원 주식회사 | 자체 열교환 방식을 가지는 배기가스 정화장치 |
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WO2011141827A1 (en) * | 2010-05-11 | 2011-11-17 | Flsmidth A/S | Method and plant for dedusting a stream of dust-laden gases in a hybrid filter installation |
DE102011050980B4 (de) * | 2011-06-09 | 2023-10-12 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren zum Betreiben eines Hybridfahrzeugs |
CN106812570B (zh) * | 2017-03-30 | 2022-09-20 | 成都青舟特机环境技术有限公司 | 机动车尾气处理系统 |
GB201720147D0 (en) | 2017-12-04 | 2018-01-17 | Univ Newcastle | Particulate reduction |
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JPH04358714A (ja) * | 1991-01-23 | 1992-12-11 | Nissan Motor Co Ltd | エンジンの排気浄化装置 |
JPH082521A (ja) * | 1994-06-17 | 1996-01-09 | Sogo Insatsu Shiki Kk | 緩衝機能を有する包装用箱 |
KR100496765B1 (ko) * | 1997-05-16 | 2005-06-22 | 지멘스 악티엔게젤샤프트 | 산소 함유 배기 가스 중의 산화 유해 물질을 제거하기위한 방법 및 장치 그리고 그것에 의해 작동되는 엔진 |
JP2001280121A (ja) * | 2000-03-31 | 2001-10-10 | Isuzu Motors Ltd | 連続再生型パティキュレートフィルタ装置 |
JP3846361B2 (ja) * | 2002-05-17 | 2006-11-15 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
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2005
- 2005-03-24 JP JP2005086503A patent/JP3894938B2/ja not_active Expired - Fee Related
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013187989A (ja) * | 2012-03-07 | 2013-09-19 | Denso Corp | Ehd流体輸送装置 |
WO2019065069A1 (ja) * | 2017-09-27 | 2019-04-04 | 京セラ株式会社 | 測定装置用部品 |
JPWO2019065069A1 (ja) * | 2017-09-27 | 2020-11-26 | 京セラ株式会社 | 測定装置用部品 |
EP3757362A1 (en) * | 2019-06-25 | 2020-12-30 | Toyota Jidosha Kabushiki Kaisha | Control device of a particle filter in the exhaust gas of an internal combustion engine |
KR102563143B1 (ko) * | 2022-07-15 | 2023-08-03 | 한국환경기기시험원 주식회사 | 자체 열교환 방식을 가지는 배기가스 정화장치 |
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